Pokémon mascot Pikachu was supposed to have ANOTHER evolution

The famous yellow mouse was designed as part of a trio, however, the creator
The famous yellow mouse was designed as part of a trio, however, the creator's of Pokemon decided to shelve the idea to 'maintain game balance'.

Pokemon General Thread 1: Games, Anime, Manga, and the Bighuge Stuff the Fans Do., Page 479

Pikachu, Pokémon Wiki

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Pikachu once had another evolution, with large fangs and horns

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